| ER2O-Y I | Barren | 0 | 1,970 km | -58°C | 0.16g | 0.275 AU |
| ER2O-Y II | Barren | 0 | 2,200 km | -119°C | 0.21g | 0.539 AU |
| ER2O-Y III | Barren | 0 | 5,290 km | 11°C | 0.85g | 0.853 AU |
| ER2O-Y IV | Temperate | 1 | 4,560 km | 16°C | 0.7g | 1.662 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| ER2O-Y IV - Moon 1 | 130 km | -186°C | 0g | 5.8 × 10¹⁸ kg | 263,612 km |
|
| ER2O-Y V | Temperate | 2 | 10,220 km | 19°C | 0.95g | 2.45 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| ER2O-Y V - Moon 1 | 160 km | -201°C | 0g | 9.6 × 10¹⁸ kg | 107,761 km | | ER2O-Y V - Moon 2 | 1,090 km | -201°C | 0.04g | 6.6 × 10²¹ kg | 777,325 km |
|
| ER2O-Y VI | Temperate | 0 | 5,100 km | 33°C | 0.66g | 3.186 AU |
| ER2O-Y VII | Gas | 15 | 25,700 km | -223°C | 1.29g | 5.1 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| ER2O-Y VII - Moon 1 | 150 km | -223°C | 0g | 6.5 × 10¹⁸ kg | 129,197 km | | ER2O-Y VII - Moon 2 | 180 km | -223°C | 0g | 1.1 × 10¹⁹ kg | 167,856 km | | ER2O-Y VII - Moon 3 | 250 km | -223°C | 0g | 3.8 × 10¹⁹ kg | 210,639 km | | ER2O-Y VII - Moon 4 | 230 km | -223°C | 0g | 2.9 × 10¹⁹ kg | 293,570 km | | ER2O-Y VII - Moon 5 | 370 km | -223°C | 0.01g | 1.4 × 10²⁰ kg | 360,903 km | | ER2O-Y VII - Moon 6 | 540 km | -223°C | 0.01g | 4.8 × 10²⁰ kg | 566,547 km | | ER2O-Y VII - Moon 7 | 570 km | -223°C | 0.01g | 5.8 × 10²⁰ kg | 709,425 km | | ER2O-Y VII - Moon 8 | 510 km | -223°C | 0.01g | 4.1 × 10²⁰ kg | 793,441 km | | ER2O-Y VII - Moon 9 | 380 km | -223°C | 0.01g | 1.5 × 10²⁰ kg | 1,127,900 km | | ER2O-Y VII - Moon 10 | 1,040 km | -223°C | 0.03g | 4.5 × 10²¹ kg | 1,333,810 km | | ER2O-Y VII - Moon 11 | 1,160 km | -223°C | 0.03g | 6.5 × 10²¹ kg | 1,976,550 km | | ER2O-Y VII - Moon 12 | 830 km | -223°C | 0.02g | 2.1 × 10²¹ kg | 2,655,830 km | | ER2O-Y VII - Moon 13 | 940 km | -223°C | 0.02g | 3.2 × 10²¹ kg | 3,076,140 km | | ER2O-Y VII - Moon 14 | 270 km | -223°C | 0g | 4.5 × 10¹⁹ kg | 3,529,080 km | | ER2O-Y VII - Moon 15 | 760 km | -223°C | 0.02g | 1.6 × 10²¹ kg | 4,766,490 km |
|
| ER2O-Y VIII | Gas | 3 | 16,500 km | -236°C | 0.63g | 9.444 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| ER2O-Y VIII - Moon 1 | 490 km | -236°C | 0.01g | 2.9 × 10²⁰ kg | 250,327 km | | ER2O-Y VIII - Moon 2 | 1,450 km | -236°C | 0.04g | 1.2 × 10²² kg | 1,105,940 km | | ER2O-Y VIII - Moon 3 | 2,300 km | -236°C | 0.07g | 5.8 × 10²² kg | 4,627,020 km |
|
| ER2O-Y IX | Temperate | 2 | 8,860 km | 13°C | 1.35g | 15.492 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| ER2O-Y IX - Moon 1 | 240 km | -244°C | 0g | 2.4 × 10¹⁹ kg | 249,979 km | | ER2O-Y IX - Moon 2 | 1,450 km | -244°C | 0.03g | 1.0 × 10²² kg | 2,832,670 km |
|
| ER2O-Y X | Temperate | 2 | 6,950 km | 20°C | 1.08g | 19.766 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| ER2O-Y X - Moon 1 | 240 km | -248°C | 0g | 2.3 × 10¹⁹ kg | 855,116 km | | ER2O-Y X - Moon 2 | 1,360 km | -248°C | 0.03g | 7.7 × 10²¹ kg | 2,430,660 km |
|